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Wednesday, November 17, 2021

Volcano Experiment

 Aim: To make a volcano erupt. 

Method: 

  1. Glue a 750mL bottle to a piece of cardboard.
  2. Glue scrunched up balls of newspaper to the bottle and cardboard. 
  3. Glue strips of paper to the bottle and other parts of news paper. 
  4. After it has dried paint it to look like your volcano. 
Research: Today Mount Vesuvius is the only active volcano on the European mainland. It's last eruption was in 1944 and it's last major eruption was in 1631. 

How do volcanoes form?

On land, volcanoes form when one tectonic plate moves under another. Usually a thin, heavy oceanic plate subducts, or moves under, a thicker continental plate.  When enough magma builds up in the magma chamber, it forces its way up to the surface and erupts, often causing volcanic eruptions. 


Difference between lava and magma?

Magma is composed of molten rock and is stored in the Earth's crust. Lava is magma that reaches the surface of our planet through a volcano vent. As they are both molten rock that emerges from below the Earth, it can get confusing identifying one from the other.


Conclusion:

Did it work? 

Yes, our volcano did work.


Would you do anything differently?

Make more houses.


Tuesday, November 2, 2021

Eclipses - Science

Solar Eclipse

 How do they occur? 

- A solar eclipse occurs when the moon gets between earth and the sun. 

What do we see?







- When the total eclipse of the sun is completed, the shadow of the moon passes and sunlight appears once again at the western edge of the sun.

When was the last solar eclipse? When is the next one?

- In 1965 and the next will be in 2028.

Diagram -










Lunar eclipse

How do they occur? 

- A lunar eclipse occurs when the moon passes through the earths shadow.

What do we see?










When was the last one? When is the next one?

- January 21 2019 and the next one is November 19 2021.

Diagram